Facebook building in Germany attacked by unidentified men

A building housing facebook in Germany has been attacked and vandalised by unidentified men. The overnight attack on the social networking group was carried out by a group of 15-20 people wearing black clothes and hoods, police said in a statement. An investigation had been launched.

A Facebook spokesman said nobody was injured in the incident. He said he could not immediately comment on the possible motive for the act of vandalism.